From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F02C63603EF; Mon, 27 Apr 2026 10:14:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777284865; cv=none; b=ftb3Ds9xE3W9L8Zx8Dh0xxUSK6UH4sQNfKcK/uJVuo+0I1s2VoR9TX+wlJjiME4EmLWRw0fUnR2y2HBSqCv4jfDzmQYgxo8YSpj0/f0tXG3gYLUKZDXfzRu0bXrobIh+zfq4U5WtlyeXp1o0h8V5Gr42dJlpxWS5w2p+inyTmYI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777284865; c=relaxed/simple; bh=NwvNzA77cTupsEIv6dal9H7A7nSRcWczX8S6oci8yxk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gom8mxZ/0w4kbCC5xeutU4PlkG7U0wYFjn0YeaJ4eYxjbM3MoV0CWixo93it7P5yx3/oEkbZVTy0MPTGpg3xRrZtxrzeLmeMnD6ass8R5I0wcnCODcmJGFHvTYxgwnd7JJGffzG6jwC+OjVy2+S6SM84ESsqVO6WmjKKFMFh22k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=iYyaOGDh; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=fo3QIksx; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="iYyaOGDh"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="fo3QIksx" Date: Mon, 27 Apr 2026 12:14:21 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1777284862; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=NwvNzA77cTupsEIv6dal9H7A7nSRcWczX8S6oci8yxk=; b=iYyaOGDhytUqJvSrIxSK+nkq/ZSyMs2/DpwRlCS0wldcYHIn7O2NrESm62Qe2jamiaGE/w H0KS+3L0Bdf0tTBWc53JFEHN2yZVjLLhn2GAzlZ5m8Y/BvZxG8NBs7AIYmrxtz2SHop5VU VHN/wEzsUGeD4gIzz5vcTfE6q94OWGTC3nnoK6QkStrKJ3tRmftEM+piRSMypzAmOU7/Jc +TMHy0x8TQdjGLz+RCKZ2l/TKBnWb7sSarQTLuYMxNwmAn9VfpWG/+gO57wYRFgxAWY6Xx oia3mHBV3TIHiJ3rfQqbrLEC9d3Cm925+zLjDp4yekxxNvhIYl+9c9GatjrVoA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1777284862; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=NwvNzA77cTupsEIv6dal9H7A7nSRcWczX8S6oci8yxk=; b=fo3QIksxWzVdamRewmKjdxtyjLbotkLf90WEvnAeL5AaBHDvw2IBCUHnAy5M2zOQgtw4aL NuKtOe7cqy2nJNAQ== From: Sebastian Andrzej Siewior To: "Ostrowski, Rafal" Cc: Bert Karwatzki , "Varone, Dillon" , "Hung, Alex" , "Deucher, Alexander" , Thomas Gleixner , "linux-kernel@vger.kernel.org" , "linux-next@vger.kernel.org" , "linux-rt-devel@lists.linux.dev" , "amd-gfx@lists.freedesktop.org" Subject: Re: kernel panic when resuming from hibernate in next-20260406 with PREEMPT_RT Message-ID: <20260427101421.7N9_OOk5@linutronix.de> References: <20260409131411.10598-1-spasswolf@web.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On 2026-04-27 09:23:32 [+0000], Ostrowski, Rafal wrote: > Hi Bert, Hi Rafal, > I am glad to hear that mentioned patch fixed your issue. > Small clarification - amdgpu is not designed to support > PREEMPT_RT flag, but it was still worth to fix as obvious regression. What does this mean? It is not a flag but a preemption model. It is part of the official kernel. > Kind Regards, > Rafal Ostrowski Sebastian